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https://issues.apache.org/jira/browse/SPARK-23462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16371148#comment-16371148
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Xiayun Sun commented on SPARK-23462:
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PR created: [https://github.com/apache/spark/pull/20649]
> Improve the error message in `StructType`
> -----------------------------------------
>
> Key: SPARK-23462
> URL: https://issues.apache.org/jira/browse/SPARK-23462
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Xiao Li
> Priority: Major
> Labels: starter
>
> The error message {{s"""Field "$name" does not exist."""}} is thrown when
> looking up an unknown field in StructType. In the error message, we should
> also contain the information about which columns/fields exist in this struct.
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